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Profile Documents Logout
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12/08/14-- Student ID ______ TA Name
12/08/14-- Student ID ______ TA Name

... that the Milky Way was just one of many galaxies, showed us something quite different. Almost over night we discovered that a. a huge volume of dark matter and dark energy surrounds the Milky Way. b. our solar system was just one of many planetary systems in the Orion Arm of the Galaxy. c. our solar ...
PDF of story and photos
PDF of story and photos

... picture of star formation. In stellar nurseries, many stars often form in the same cloud of gas and dust. The biggest stars begin producing light before the smaller stars. This means that the energy released by the biggest stars can affect the smaller, still-forming stars that are near the big stars ...
Course Description: This is an introductory course in Descriptive
Course Description: This is an introductory course in Descriptive

... d) Distinguishing four separate types of rocks and describing how each is formed. e) Explaining the process of radioactive dating of rocks. f) Describing the general properties of oceans and other bodies of water on Earth and how they interact with continents and the atmosphere. g) Labeling Earth’s ...
The Night Sky This Month - Usk Astronomical Society
The Night Sky This Month - Usk Astronomical Society

... The Orionids can be seen emanating over the eastern horizon at about 11.00 pm between 16 th to 27th October. With a ZHR around 25, these meteors can be very fast with persistent trains; the meteoroids hit the Earth’s atmosphere at around 67 km/s. The maximum is on the morning of 22nd. This is the se ...
Chapter 26
Chapter 26

... made of—is known as cosmology. ...
notes
notes

... Wide Field and Planetary Camera 2 (WFPC2) for ten consecutive days between December 18 and 28, 1995. 1,500 galaxies at various stages of evolution. Most of the galaxies are so faint (nearly 30th magnitude or about four-billion times fainter than can be seen by the human eye) they have never before b ...
(pdf)
(pdf)

... extended neutral atmospheres are magnetically confined plasmas that are representative of the source material (Fig. 1c). The toroidal atmospheres observed around Jupiter and Saturn are expected to be present in other planetary systems and to be ubiquitous as the gaseous envelopes of satellites and g ...
SkyWatcher - Boise Astronomical Society
SkyWatcher - Boise Astronomical Society

... In a cosmic coincidence, three comets will soon be approaching Earth—and astronomers want you to help study them. This global campaign, which will begin at the end of January when the first comet is bright enough, will enlist amateur astronomers to help researchers continuously monitor how the comet ...
Gemini - Sochias
Gemini - Sochias

... – Each target has clearance only in specific time intervals Mix LGS AO programs with non-LGS queue to make optimal use of telescope time ...
Sky-High 2013 - Irish Astronomical Society
Sky-High 2013 - Irish Astronomical Society

... A parsec is the distance a star must lie at to exhibit a parallax of one arc-second; it is equivalent to about 3.26 light years. Or another way of putting it, is that the parsec is the distance at which the radius of the Earth's orbit (1 AU) would subtend an angle of one second of arc. ...
Jupiter and Saturn
Jupiter and Saturn

... many years to have an atmosphere thicker and denser than Earth’s; mostly nitrogen and argon Makes surface impossible to see; the upper picture at right was taken from only 4000 km away Trace chemicals in Titan’s atmosphere make it chemically complex © 2011 Pearson Education, Inc. ...
Unit 1 Space Suggested Time: 21 Hours
Unit 1 Space Suggested Time: 21 Hours

... year that this unit is being addressed. As well, students could be asked to identify any constellations that are obvious at this time of year. Throughout the rest of the school year students could identify other constellations or celestial events as they occur. Students could to brainstorm questions ...
Exploring The Universe
Exploring The Universe

... • Quasars may be infant galaxies. • In 1960, a faint object was matched with a strong radio signal. This object was called a quasar. • quasar quasi-stellar radio sources; very luminous objects that produce energy at a high rate and that are thought to be the most distant objects in the universe • Ea ...
Milankovitch cycles
Milankovitch cycles

... Circular orbit, no eccentricity. Orbit with 0.5 eccentricity. The Earth's orbit is an ellipse. The eccentricity is a measure of the departure of this ellipse from circularity. The shape of the Earth's orbit varies from being nearly circular (low eccentricity of 0.005) to being mildly elliptical (hig ...
Observing the surface of Venus from Earth's Stratosphere
Observing the surface of Venus from Earth's Stratosphere

... The surface of Venus is hidden from “traditional” remote-sensing multi-spectral instruments by a thick cloud cover and an optical thick atmosphere. In the near infrared around 1 micron there are however a few narrow windows that allow to observe the surface of Venus. This has been demonstrated by gr ...
The Solar System
The Solar System

... earth. It was formed about 22,000 years ago by the impact of a giant metallic nickel-iron meteorite, which arrived from space at a speed of about 50,000 kilometers per hour, and weighed many hundreds of tons. Friction with the atmosphere does not really slow such a mighty mass, which smashed into th ...
SOLAR ECLIPSES
SOLAR ECLIPSES

... precautions could therefore result in retina’s burning – “eclipse blindness”. Retina’s exposure to intense visible light also results in the destruction of its cells by a photo-oxidation process. This destructive process, called photochemical retinopathy takes place especially due to the radiation b ...
Regulus, June-July 1990 - RASC Kingston Centre
Regulus, June-July 1990 - RASC Kingston Centre

... and could, in fact, scarcely see it at all. I had to conclude that it was fading, and had certainly become fainter than the 12th magnitude it had displayed earlier. On the night of 02-26, I tried shooting a roll of the new Konica 3200 film that we had discussed at our 8902 Centre meeting. (Terry Dic ...
Space weather has a long history because it
Space weather has a long history because it

... Space weather has a long history because it spans the life of the sun and earth and all the significant changes that have occurred between these bodies over the course of billions of years. Here is a convenient timeline of the key events in this history. Many of these items will eventually be tied t ...
Internal heat production in hot Jupiter exo
Internal heat production in hot Jupiter exo

... are constrained to be trapped forever within the georeactor fission product sub-shell and will be unable to escape, never to be brought to the earth’s surface. Helium, on the other hand, can be expected to escape; the similarity in its isotopic composition with helium measured in oceanic basalts sta ...
On Hyperdimensional Physics… and More….
On Hyperdimensional Physics… and More….

... self-consistent. Even more radical: Riemann proposed that the basic laws of nature in 3space, the three mysterious forces then known to physics -- electrostatics, magnetism and gravity -- were all fundamentally united in 4-space, and merely "looked different" because of the resulting "crumpled geome ...
Uranus and Neptune
Uranus and Neptune

... •  ~13 smaller ones cluttered in the rings •  Plus a number of smaller, outer moons with retrograde rotation (captured asteroids) ...
IS AN ALTERNATE COSMOLOGY BECOMING NECESSARY?
IS AN ALTERNATE COSMOLOGY BECOMING NECESSARY?

... has been measured to be at about 2.7 degrees K. The cosmic microwave background does not come from a big bang. Dusty galaxies have been found at great distances, and absorption of light means their cores would be seen, but the dim light from their outer parts is likely to be completely extinguished ...
ASTRO Lecture_Ch01
ASTRO Lecture_Ch01

... agree with the prediction, more predictions can be made. If not, a new theory should be made. ...
BIRTH OF CHRIST RECALCULATED Preliminary Considerations
BIRTH OF CHRIST RECALCULATED Preliminary Considerations

... It thus seems highly probable that all in the Empire registered an oath of obedience and an approval of the Pater Patrae to Augustus at this time and that Quirinius had been sent to the East to conduct it. It is reasonable that a period of about a year was allowed for complete enrollment, thus begin ...
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Extraterrestrial life



Extraterrestrial life is life that does not originate from Earth. It is also called alien life, or, if it is a sentient and/or relatively complex individual, an ""extraterrestrial"" or ""alien"" (or, to avoid confusion with the legal sense of ""alien"", a ""space alien""). These as-yet-hypothetical life forms range from simple bacteria-like organisms to beings with civilizations far more advanced than humanity. Although many scientists expect extraterrestrial life to exist, so far no unambiguous evidence for its existence exists.The science of extraterrestrial life is known as exobiology. The science of astrobiology also considers life on Earth as well, and in the broader astronomical context. Meteorites that have fallen to Earth have sometimes been examined for signs of microscopic extraterrestrial life. Since the mid-20th century, there has been an ongoing search for signs of extraterrestrial intelligence, from radios used to detect possible extraterrestrial signals, to telescopes used to search for potentially habitable extrasolar planets. It has also played a major role in works of science fiction. Over the years, science fiction works, especially Hollywood's involvement, has increased the public's interest in the possibility of extraterrestrial life. Some encourage aggressive methods to try to get in contact with life in outer space, whereas others argue that it might be dangerous to actively call attention to Earth.
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